Christopher James Yiachos, MD
Internal Medicine Physician · Concord, NH
Christopher James Yiachos, MD is an internal medicine physician with a practice address in Concord, New Hampshire, and NPI 1235690256, issued on Mar 31, 2019. Check the license (New Hampshire 22352, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher James Yiachos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22352 NH
Self-reported in NPPES; status is on the state search - Practice location
- 250 Pleasant St Ste 6073, Concord, NH 03301
- Phone
- (603) 227-7000
- Enumerated
- Mar 31, 2019
- Record last updated
- Aug 1, 2025
- Fax
- (603) 227-7588
- Medicare enrollment
- Enrolled (PECOS I20220804003697); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 250 Pleasant St Ste 6073
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole CoulonPhysician Assistant1053087981
- Tessa Feehan, PA-CPhysician Assistant1558914424
- Karin Fisher, FNPFamily Nurse Practitioner1538719570
Verify Christopher James Yiachos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 22352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 89.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Concord Hospital IncConcord, NH
- Concord Hospital-LaconiaLaconia, NH
- Theoria MedicalLaconia, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher James Yiachos among 673 internal medicine physician records in New Hampshire
Christopher James Yiachos, MD is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2005 among the 443 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in New Hampshire
There are 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Concord → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nicole Antinerella, DOConcord, NH 033011164462651
- Lisa Atkinson, MDConcord, NH 033011205843505
- Ioan Badau, M.D.Concord, NH 033011104842392
- Julia Burdick, MDConcord, NH 033011336155654
- Anne Chehade, M.D.Concord, NH 033011154309581
- Carl Ciak, MDConcord, NH 033011821030511
- Paul Clark, MDConcord, NH 033011558305367
- Irena Danys, MDConcord, NH 033011518904044
Common questions
What is Christopher James Yiachos, MD's NPI number?
Christopher James Yiachos, MD's National Provider Identifier (NPI) is 1235690256, issued on Mar 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Christopher James Yiachos, MD located?
The NPPES record lists a practice address at 250 Pleasant St Ste 6073, Concord, NH, 03301. Phone: (603) 227-7000. Providers update this record themselves, so call before visiting.
How can I verify Christopher James Yiachos, MD's license?
NPPES lists New Hampshire license number 22352, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Christopher James Yiachos, MD's MIPS final score?
The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.